<template>
  <div class="account-box">
    <div class="toggle">
      <a @click="isMsgLogin = false" href="javascript:;" v-if="isMsgLogin"> <i class="iconfont icon-user"></i> 使用账号登录 </a>
      <a @click="isMsgLogin = true" href="javascript:;" v-else> <i class="iconfont icon-msg"></i> 使用短信登录 </a>
    </div>
    <Form ref="formCom" class="form" :validation-schema="schema" v-slot="{ errors }" autocomplete="off">
      <template v-if="!isMsgLogin">
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-user"></i>
            <Field name="account" :class="{ error: errors.account }" v-model="form.account" type="text" placeholder="请输入用户名或手机号" />
          </div>
          <div class="error" v-if="errors.account">
            <i class="iconfont icon-warning" />
            {{ errors.account }}
          </div>
        </div>
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-lock"></i>
            <Field name="password" :class="{ error: errors.password }" v-model="form.password" type="password" placeholder="请输入密码" />
          </div>
          <div class="error" v-if="errors.password">
            <i class="iconfont icon-warning" />
            {{ errors.password }}
          </div>
        </div>
      </template>
      <template v-else>
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-user"></i>
            <Field name="mobile" :class="{ error: errors.mobile }" v-model="form.mobile" type="text" placeholder="请输入手机号" />
          </div>
          <div class="error" v-if="errors.mobile">
            <i class="iconfont icon-warning" />
            {{ errors.mobile }}
          </div>
        </div>
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-code"></i>
            <Field name="code" :class="{ error: errors.code }" v-model="form.code" type="text" placeholder="请输入验证码" />
            <span @click="send" class="code">{{ time === 0 ? '发送验证码' : `${time}后发送` }}</span>
          </div>
          <div class="error" v-if="errors.code">
            <i class="iconfont icon-warning" />
            {{ errors.code }}
          </div>
        </div>
      </template>
      <div class="form-item">
        <div class="agree">
          <Field as="XtxCheckbox" name="isAgree" v-model="form.isAgree" />
          <span>我已同意</span>
          <a href="javascript:;">《隐私条款》</a>
          <span>和</span>
          <a href="javascript:;">《服务条款》</a>
        </div>
        <div class="error" v-if="errors.isAgree">
          <i class="iconfont icon-warning" />
          {{ errors.isAgree }}
        </div>
      </div>
      <a @click="login" href="javascript:;" class="btn">登录</a>
    </Form>
    <div class="action">
      <a href="https://graph.qq.com/oauth2.0/authorize?client_id=100556005&response_type=token&scope=all&redirect_uri=http%3A%2F%2Fwww.corho.com%3A8080%2F%23%2Flogin%2Fcallback">
        <img src="https://qzonestyle.gtimg.cn/qzone/vas/opensns/res/img/Connect_logo_7.png" alt="" />
      </a>
      <div class="url">
        <a href="javascript:;">忘记密码</a>
        <a href="javascript:;">免费注册</a>
      </div>
    </div>
  </div>
</template>

<script>
import { reactive, ref } from '@vue/reactivity'
import schemaRules from '@/utils/vee-validate-schema'
import { useMobileLogin, userAccountLogin, userMobileLoginMsg } from '@/api/users.js'
import Message from '@/components/library/Message'
import { Form, Field } from 'vee-validate'
import { onUnmounted, watch } from '@vue/runtime-core'
import { useStore } from 'vuex'
import { useRoute, useRouter } from 'vue-router'
import { useIntervalFn } from '@vueuse/core'

export default {
  name: 'LoginForm',
  components: { Form, Field },
  setup() {
    // 是用什么方式登录
    const isMsgLogin = ref(false)

    const form = reactive({
      isAgree: false,
      account: null,
      password: null,
      mobile: null,
      code: null
    })

    const schema = {
      account: schemaRules.account,
      password: schemaRules.password,
      mobile: schemaRules.mobile,
      code: schemaRules.code,
      isAgree: schemaRules.isAgree
    }

    // 组件的id
    const formCom = ref(null)
    watch(isMsgLogin, () => {
      // 在切换短信登录和账户登录时，清空表单和校验结果
      form.isAgree = false
      form.account = null
      form.password = null
      form.mobile = null
      form.code = null
      // 如果没有销毁组件 之前的检验结果是不会清除的，例如v-show切换的，值是控制display的显示和隐藏
      // form组件提供一个 resrtForm函数清空校验结果
      formCom.value.resetForm()
    })
    // 将用户的信息存储起来
    const store = useStore()
    // 跳转页面需要使用路由
    const route = useRoute()
    const router = useRouter()
    const login = async () => {
      // Form组件提供了一个 validate 函数作为整体表单校验，返回的是一个promise
      const valid = await formCom.value.validate()
      if (valid) {
        try {
          // 表单验证通过
          let data = null
          if (isMsgLogin.value) {
            // 当接受到验证码之后，根据手机号和验证码去登录
            const { mobile, code } = form
            // 在这里是有可能请求出错的，也就是没有注册过的手机号
            data = await useMobileLogin({ mobile, code })
          } else {
            const { account, password } = form
            // 没有注册过的账户
            data = await userAccountLogin({ account, password })
          }
          const { id, account, avatar, mobile, nickname, token } = data.result
          store.commit('user/setUser', { id, account, avatar, mobile, nickname, token })
          store.dispatch('cart/mergeLocalCart').then(() => {
            // 跳转地址
            router.push(route.query.redirectUrl || '/')
            // 成功的消息提示
            Message({ type: 'success', text: '登陆成功' })
          })
        } catch (e) {
          if (e.response.data) {
            Message({ type: 'error', text: e.response.data.message || '登录失败' })
          }
        }
      }
    }

    const time = ref(0)
    // 使用vueuse中的定时器功能
    const { resume, pause } = useIntervalFn(
      () => {
        time.value--
        if (time.value <= 0) {
          pause()
        }
      },
      1000,
      false
    )
    //  当组件销毁的时候清除定时器
    onUnmounted(() => {
      pause()
    })

    // 点击发送验证码按钮发送短信
    const send = async () => {
      // 首先先校验手机号是否正确,返回的要么是true，要么是错误信息
      const valid = schema.mobile(form.mobile)
      // 如果验证通过,发送请求获取验证码
      if (valid === true) {
        if (time.value === 0) {
          await userMobileLoginMsg(form.mobile)
          Message({ type: 'success', text: '发送成功' })
          time.value = 60
          console.log(1)
          resume()
        }
      } else {
        // 使用vee的错误函数显示错误信息，setFieldError(字段，错误信息)
        formCom.value.setFieldError('mobile', valid)
      }
    }
    return { form, isMsgLogin, schema, formCom, login, send, time }
  }
}
</script>

<style lang="less" scoped>
//账号容器
.account-box {
  .toggle {
    padding: 15px 40px;
    text-align: right;
    a {
      color: @xtxColor;
      i {
        font-size: 14px;
      }
    }
  }
  .form {
    padding: 0 40px;
    &-item {
      margin-bottom: 28px;
      .input {
        position: relative;
        height: 36px;
        > i {
          width: 34px;
          height: 34px;
          background: #cfcdcd;
          color: #fff;
          position: absolute;
          left: 1px;
          top: 1px;
          text-align: center;
          line-height: 34px;
          font-size: 18px;
        }
        input {
          padding-left: 44px;
          border: 1px solid #cfcdcd;
          height: 36px;
          line-height: 36px;
          width: 100%;
          &.error {
            border-color: @priceColor;
          }
          &.active,
          &:focus {
            border-color: @xtxColor;
          }
        }
        .code {
          position: absolute;
          right: 1px;
          top: 1px;
          text-align: center;
          line-height: 34px;
          font-size: 14px;
          background: #f5f5f5;
          color: #666;
          width: 90px;
          height: 34px;
          cursor: pointer;
        }
      }
      > .error {
        position: absolute;
        font-size: 12px;
        line-height: 28px;
        color: @priceColor;
        i {
          font-size: 14px;
          margin-right: 2px;
        }
      }
    }
    .agree {
      a {
        color: #069;
      }
    }
    .btn {
      display: block;
      width: 100%;
      height: 40px;
      color: #fff;
      text-align: center;
      line-height: 40px;
      background: @xtxColor;
      &.disabled {
        background: #cfcdcd;
      }
    }
  }
  .action {
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    .url {
      a {
        color: #999;
        margin-left: 10px;
      }
    }
  }
}
</style>
